Compact optical temporal differentiator based on silicon microring resonator Liu, Fangfei ; Wang, Tao ; Qiang, Li ; Ye, Tong ; Zhang, Ziyang ; Qiu, Min ; Su, Yikai Abstract Publication: Optics Express Pub Date: September 2008 DOI: 10.1364/OE.16.015880 Bibcode: 2008OExpr..1615880L